Event Summary

Nuclear bomb used on Hiroshima


August 6, 1945


An atomic bomb with an explosive force of 20,000 tons of TNT dropped on Japanese city, destroying 4 square miles of the city and leaving 160,000 death, injured or contaminated; followed 3 days later by another bomb being dropped on city and naval base of Nagasaki

Timeline 1

United States Naval History, 1866 - to present

Timeline 2

Maps and Navigational Charts: A Selective Timeline to 1860

Record ID